diff --git a/OsmAnd/assets/bundled_assets.xml b/OsmAnd/assets/bundled_assets.xml
index 919b33dcee..b42af62bc6 100644
--- a/OsmAnd/assets/bundled_assets.xml
+++ b/OsmAnd/assets/bundled_assets.xml
@@ -64,7 +64,7 @@
 	<asset source="voice/hu/hu_tts.js" destination="voice/hu-tts/hu_tts.js" mode="overwriteOnlyIfExists" />
 	<!--<asset source="voice/hu-formal/hu-formal_tts.js" destination="voice/hu_formal-tts/hu-formal_tts.js" mode="overwriteOnlyIfExists" />-->
 	<asset source="voice/it/it_tts.js" destination="voice/it-tts/it_tts.js" mode="alwaysOverwriteOrCopy" />
-	<!--<asset source="voice/ja/ja_tts.js" destination="voice/ja-tts/ja_tts.js" mode="alwaysOverwriteOrCopy" />-->
+	<asset source="voice/ja/ja_tts.js" destination="voice/ja-tts/ja_tts.js" mode="alwaysOverwriteOrCopy" />
 	<!--<asset source="voice/ko/ko_tts.js" destination="voice/ko-tts/ko_tts.js" mode="overwriteOnlyIfExists" />-->
 	<!--<asset source="voice/lv/lv_tts.js" destination="voice/lv-tts/lv_tts.js" mode="overwriteOnlyIfExists" />-->
 	<asset source="voice/nl/nl_tts.js" destination="voice/nl-tts/nl_tts.js" mode="alwaysOverwriteOrCopy" />
diff --git a/OsmAnd/src/net/osmand/plus/resources/ResourceManager.java b/OsmAnd/src/net/osmand/plus/resources/ResourceManager.java
index a5b73a46c7..44db1f7a00 100644
--- a/OsmAnd/src/net/osmand/plus/resources/ResourceManager.java
+++ b/OsmAnd/src/net/osmand/plus/resources/ResourceManager.java
@@ -428,8 +428,15 @@ public class ResourceManager {
 			if (appPath.canWrite()) {
 				for (Map.Entry<String,String> entry : mapping.entrySet()) {
 					File jsFile = new File(appPath, entry.getValue());
+					if (entry.getValue().contains("-tts") && entry.getValue()
+							.endsWith(IndexConstants.TTSVOICE_INDEX_EXT_JS)) {
+						File oggFile = new File(appPath, entry.getValue().replace("-tts", ""));
+						if (oggFile.getParentFile().exists() && !oggFile.exists()) {
+							copyAssets(context.getAssets(), entry.getKey(), oggFile);
+						}
+					}
 					if (jsFile.getParentFile().exists() && !jsFile.exists()) {
-						ResourceManager.copyAssets(context.getAssets(), entry.getKey(), jsFile);
+						copyAssets(context.getAssets(), entry.getKey(), jsFile);
 					}
 				}
 			}